diff --git a/identity/xfaceconfigurator.cpp b/identity/xfaceconfigurator.cpp
index 2e712bfc9..5340e97d2 100644
--- a/identity/xfaceconfigurator.cpp
+++ b/identity/xfaceconfigurator.cpp
@@ -32,7 +32,7 @@
 
 #include "xfaceconfigurator.h"
 
-#include <akonadi/contact/contactsearchjob.h>
+#include <Akonadi/contact/contactsearchjob.h>
 #include <kcombobox.h>
 #include <kdialog.h>
 #include <kfiledialog.h>
diff --git a/kmmainwidget.cpp b/kmmainwidget.cpp
index d713e4a0f..214a2192e 100644
--- a/kmmainwidget.cpp
+++ b/kmmainwidget.cpp
@@ -109,7 +109,7 @@ using KSieveUi::SieveDebugDialog;
 #include <AkonadiCore/collectionattributessynchronizationjob.h>
 #include <AkonadiCore/collectionfetchjob.h>
 #include <AkonadiCore/collectionfetchscope.h>
-#include <akonadi/contact/contactsearchjob.h>
+#include <Akonadi/contact/contactsearchjob.h>
 #include <AkonadiWidgets/collectionpropertiesdialog.h>
 #include <AkonadiCore/entitydisplayattribute.h>
 #include <AkonadiWidgets/entitylistview.h>
diff --git a/kmreadermainwin.cpp b/kmreadermainwin.cpp
index e39898856..c065e497b 100644
--- a/kmreadermainwin.cpp
+++ b/kmreadermainwin.cpp
@@ -55,7 +55,7 @@
 #include "foldercollection.h"
 
 #include <KActionCollection>
-#include <akonadi/contact/contactsearchjob.h>
+#include <Akonadi/contact/contactsearchjob.h>
 #include <KPIMUtils/email.h>
 #include <KMime/kmime_message.h>